atmosphere Article Characterization of PM10 Sampled on the Top of a Former Mining Tower by the High-Volume Wind Direction-Dependent Sampler Using INNA Irena Pavlíková 1,2,* , Daniel Hladký 1,3, OldˇrichMotyka 4 , Konstantin N. Vergel 2, Ludmila P. Strelkova 2 and Margarita S. Shvetsova 2 1 Department of Environmental Protection in Industry, Faculty of Materials Science and Technology, VSB–Technical University of Ostrava, 708 00 Ostrava-Poruba, Czech Republic;
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[email protected] (K.N.V.);
[email protected] (L.P.S.);
[email protected] (M.S.S.) 3 Czech Hydrometeorological Institute, 708 00 Ostrava-Poruba, Czech Republic 4 Nanotechnology Centre, VSB–Technical University of Ostrava, 708 00 Ostrava-Poruba, Czech Republic;
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[email protected]; Tel.: +420-604-636-041 Abstract: The PM10 concentrations in the studied region (Ostravsko-karvinská agglomeration, Czech Republic) exceed air pollution limit values in the long-term and pose a significant problem for human health, quality of life and the environment. In order to characterize the pollution in the region and identify the pollution origin, Instrumental Neutron Activation Analysis (INAA) was employed for determination of 34 elements in PM10 samples collected at a height of 90 m above ground level. From April 2018 to March 2019, 111 PM10 samples from eight basic wind directions and calm and two smog situations were sampled. The elemental composition significantly varied depending on season and sampling conditions.